1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.blogs.util.comparator;
24  
25  import com.liferay.portal.kernel.util.DateUtil;
26  import com.liferay.portal.kernel.util.OrderByComparator;
27  import com.liferay.portlet.blogs.model.BlogsStatsUser;
28  
29  /**
30   * <a href="StatsUserLastPostDateComparator.java.html"><b><i>View Source</i></b>
31   * </a>
32   *
33   * @author Brian Wing Shun Chan
34   */
35  public class StatsUserLastPostDateComparator extends OrderByComparator {
36  
37      public static String ORDER_BY_ASC = "lastPostDate ASC";
38  
39      public static String ORDER_BY_DESC = "lastPostDate DESC";
40  
41      public static String[] ORDER_BY_FIELDS = {"lastPostDate"};
42  
43      public StatsUserLastPostDateComparator() {
44          this(false);
45      }
46  
47      public StatsUserLastPostDateComparator(boolean asc) {
48          _asc = asc;
49      }
50  
51      public int compare(Object obj1, Object obj2) {
52          BlogsStatsUser statsUser1 = (BlogsStatsUser)obj1;
53          BlogsStatsUser statsUser2 = (BlogsStatsUser)obj2;
54  
55          int value = DateUtil.compareTo(
56              statsUser1.getLastPostDate(), statsUser2.getLastPostDate());
57  
58          if (_asc) {
59              return value;
60          }
61          else {
62              return -value;
63          }
64      }
65  
66      public String getOrderBy() {
67          if (_asc) {
68              return ORDER_BY_ASC;
69          }
70          else {
71              return ORDER_BY_DESC;
72          }
73      }
74  
75      public String[] getOrderByFields() {
76          return ORDER_BY_FIELDS;
77      }
78  
79      public boolean isAscending() {
80          return _asc;
81      }
82  
83      private boolean _asc;
84  
85  }